Board Thread:General Discussion/@comment-31152949-20170131005250/@comment-26388088-20170201024419

Zatsune in kanji is "雑音" (or literally pronounced "zatsuon", either way is what I assume, correct.) which means "noise" or "noisy sound". Hatsune, on the other hand, in kanji "初音" actually means "first sound", not "future sound". The word for "future" in Japanese is actually her first name, which obviously is "Miku". ( ミク)

Miku Hatsune's name would mean "the first sound from the future", whereas Miku Zatsune's name would mean, "the noise/noisy sound from the future".